Home / 2,618,938,402.27-3,928,370,608.78-1,219,139,748

Finding the Fourth Proportional to 2,618,938,402.27, 3,928,370,608.78 and 1,219,139,748

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Solution

The fourth proportional to 2,618,938,402.27, 3,928,370,608.78 and 1,219,139,748 is: 1,828,692,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,938,402.27 : 3,928,370,608.78 = 1,219,139,748 : x
  2. Step 2: Convert to fraction form
    2,618,938,402.27/3,928,370,608.78 = 1,219,139,748/x
  3. Step 3: Cross multiply
    2,618,938,402.27x = 3,928,370,608.78 × 1,219,139,748
  4. Step 4: Simplify right side
    2,618,938,402.27x = 4,789,232,754,035,729,408
  5. Step 5: Solve for x
    x = 4,789,232,754,035,729,408/2,618,938,402.27
  6. Step 6: Final answer
    x = 1,828,692,400.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.